package task17;

import sun.security.x509.AVA;

/**
 * Create by IntelliJ IDEA
 *
 * @author: jsonor
 * @date-Time: 2018/4/13 11:13
 * @description:
 */
public interface Pet {
  public String name="";
  int age=19;

  public abstract void befriendly();

  void play();


}
